Home / 10,947.50-15,108.36-6,233.30

Finding the Fourth Proportional to 10,947.50, 15,108.36 and 6,233.30

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Solution

The fourth proportional to 10,947.50, 15,108.36 and 6,233.30 is: 8,602.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,947.50 : 15,108.36 = 6,233.30 : x
  2. Step 2: Convert to fraction form
    10,947.50/15,108.36 = 6,233.30/x
  3. Step 3: Cross multiply
    10,947.50x = 15,108.36 × 6,233.30
  4. Step 4: Simplify right side
    10,947.50x = 94,174,940.39
  5. Step 5: Solve for x
    x = 94,174,940.39/10,947.50
  6. Step 6: Final answer
    x = 8,602.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.